The Eternity Gate is found, and kings and monsters battle over its legends of treasure. But rumors whisper that someone stole the gate's ancient key. Seyo, handmaiden to the princess, keeps three secrets. First, she's gifted in fire, not light, and may as well be cursed. Second, she translates a prophecy warning that the gate does not offer treasure but judgment. Third, Jorai, the scorned prince and Seyo's confidant, entrusts her with the key and disappears.

In a world where humanity lives in the sky to escape a deadly mist below, Cass’s only goal is survival. That is, until she finds a job on the airship Daedalus as a diver. Now she explores ruined cities, looking for treasure and people’s lost heirlooms until a young man hires her to find the impossible: a way to eradicate the Mist.

In Ellie Caster’s town of Bishop’s Gap, the Casters and the powerful Levy family have been feuding for generations. The families share just one thing in common—they both dread the mark, a scorch that appears at random on their doors, bringing a curse from the Burning Tree. When the mark hits Ellie’s door, her sister Jean falls into a coma. Ellie knows the Burning Tree is to blame, and desperate to save her sister, she braves the forbidden woods to confront it. But this choice ignites a chain of unintended consequences, forcing her to work with her nemesis, Charlotte Levy.

Kaeden carries the blood of the ancient Eldaran race in his veins but turns away from his heritage after the death of his parents. Years later, he is called back to his homeland and invited to be a healer for the southern forces. With the help of an old mentor, the power inside of him starts to awaken. However, his life is turned upside down when a mighty warrior of the Nordic forces is captured. As Kaeden interacts with the enemy, he discovers there is a darkness behind the Nordic Wars, one that is manipulating the people of the north

The knights of the Lightraider Order disappeared nearly two generations past. Now, the Keledan have withdrawn behind their barriers, and the Dragon Lands of bordering Tanelethar are overrun with dark oppression. The people are living in disobedience to the Rescuer who freed them long ago. A shepherd boy, Connor Enarian, and four young initiates rekindle the fires of the Lightraider Order in the hope of striking out across the mountains into Tanelethar to destroy a portal and stop an impending invasion.